/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package ca.trader.user;

import ca.trader.db.DBDriver;
import ca.trader.except.InvalidHttpRequestException;
import ca.trader.utils.PasswordUtils;
import ca.trader.utils.UserValidationUtils;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.*;

/**
 *
 * @author Ahsan
 */
@WebServlet(name = "DoRegister", urlPatterns =
{
	 "/DoRegister"
})
public class DoRegister extends HttpServlet
{

	 private static final String PARAM_EMAIL = "email";
	 private static final String PARAM_FIRST_NAME = "firstName";
	 private static final String PARAM_LAST_NAME = "lastName";
	 private static final String PARAM_PASSWORD = "password";

	 /**
	  * Processes requests for both HTTP
	  * <code>GET</code> and
	  * <code>POST</code> methods.
	  *
	  * @param request servlet request
	  * @param response servlet response
	  * @throws ServletException if a servlet-specific error occurs
	  * @throws IOException if an I/O error occurs
	  */
	 protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	 {
		  response.setContentType("text/html;charset=UTF-8");
		  PrintWriter out = response.getWriter();

		  JSONObject jsonObject = new JSONObject(); // for output
		  
		  try
		  {
			   if (request.getParameter(PARAM_EMAIL) == null || request.getParameter(PARAM_FIRST_NAME) == null || request.getParameter(PARAM_LAST_NAME) == null || request.getParameter(PARAM_PASSWORD) == null)
			   {
				    throw new InvalidHttpRequestException("Invalid Request1");
			   }



			   User user = new User();

			   user.setEmail(request.getParameter(PARAM_EMAIL));
			   user.setFirstName(request.getParameter(PARAM_FIRST_NAME));
			   user.setLastName(request.getParameter(PARAM_LAST_NAME));
			   user.setEmail(request.getParameter(PARAM_EMAIL));

			   UserValidationUtils.validateUser(user, request.getParameter(PARAM_PASSWORD));

			   String cryptedPassword = PasswordUtils.cryptPasswordString(request.getParameter(PARAM_PASSWORD));
			   DBDriver.registerUser(user, cryptedPassword);
			   jsonObject.put("success", true);
		  }
		  catch (Exception e)
		  {
			   try
			   {
				    jsonObject.put("success", false);
				    jsonObject.put ("reason", e.getMessage());
			   }
			   catch (JSONException ex)
			   {
				    out.close();
			   }

		  }
		  finally
		  {
			   out.print(jsonObject.toString());
			   out.close();

		  }
	 }

	 // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
	 /**
	  * Handles the HTTP
	  * <code>GET</code> method.
	  *
	  * @param request servlet request
	  * @param response servlet response
	  * @throws ServletException if a servlet-specific error occurs
	  * @throws IOException if an I/O error occurs
	  */
	 @Override
	 protected void doGet(HttpServletRequest request, HttpServletResponse response)
		    throws ServletException, IOException
	 {
		  processRequest(request, response);
	 }

	 /**
	  * Handles the HTTP
	  * <code>POST</code> method.
	  *
	  * @param request servlet request
	  * @param response servlet response
	  * @throws ServletException if a servlet-specific error occurs
	  * @throws IOException if an I/O error occurs
	  */
	 @Override
	 protected void doPost(HttpServletRequest request, HttpServletResponse response)
		    throws ServletException, IOException
	 {
		  processRequest(request, response);
	 }

	 /**
	  * Returns a short description of the servlet.
	  *
	  * @return a String containing servlet description
	  */
	 @Override
	 public String getServletInfo()
	 {
		  return "Short description";
	 }// </editor-fold>

}
